text: /*
   * iperf, Copyright (c) 2014, The Regents of the University of
   * California, through Lawrence Berkeley National Laboratory (subject
   * to receipt of any required approvals from the U.S. Dept. of
   * Energy).  All rights reserved.
   *
   * If you have questions about your rights to use or distribute this
   * software, please contact Berkeley Lab's Technology Transfer
   * Department at TTD@lbl.gov.
   *
   * NOTICE.  This software is owned by the U.S. Department of Energy.
   * As such, the U.S. Government has been granted for itself and others
   * acting on its behalf a paid-up, nonexclusive, irrevocable,
   * worldwide license in the Software to reproduce, prepare derivative
   * works, and perform publicly and display publicly.  Beginning five
   * (5) years after the date permission to assert copyright is obtained
   * from the U.S. Department of Energy, and subject to any subsequent
   * five (5) year renewals, the U.S. Government is granted for itself
   * and others acting on its behalf a paid-up, nonexclusive,
   * irrevocable, worldwide license in the Software to reproduce,
   * prepare derivative works, distribute copies to the public, perform
   * publicly and display publicly, and to permit others to do so.
   *
   * This code is distributed under a BSD style license, see the LICENSE
   * file for complete information.
   */
  #ifndef __IPERF_UTIL_H
  #define __IPERF_UTIL_H
  
  #include "cjson.h"
  #if IPERF_LWIP
  #else
  #include <sys/select.h>
  #endif
  
  void make_cookie(char *);
  
  int is_closed(int);
  
  double timeval_to_double(struct timeval *tv);
  
  int timeval_equals(struct timeval *tv0, struct timeval *tv1);
  
  double timeval_diff(struct timeval *tv0, struct timeval *tv1);
  
  int delay(int64_t ns);
  
  void cpu_util(double pcpu[3]);
  
  const char* get_system_info(void);
  
  const char* get_optional_features(void);
  
  cJSON* iperf_json_printf(const char *format, ...);
  
  void iperf_dump_fdset(FILE *fp, char *str, int nfds, fd_set *fds);
  
  #endif
  